Welcome to our dedicated page for Southwest Gas Ho SEC filings (Ticker: SWX), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Southwest Gas Holdings, Inc. (NYSE: SWX) SEC filings page on Stock Titan brings together the company’s official regulatory disclosures as filed with the U.S. Securities and Exchange Commission. As a regulated natural gas utility holding company, Southwest Gas Holdings uses its periodic and current reports to describe its natural gas distribution and transportation business, financial performance, capital structure, and governance arrangements.
In annual reports on Form 10‑K and quarterly reports on Form 10‑Q, Southwest Gas Holdings provides detailed information on its regulated natural gas operations through Southwest Gas Corporation, including discussions of customer growth in Arizona, Nevada, and California, rate and regulatory matters, and capital investments in pipeline and related infrastructure. These filings also explain the company’s separation from Centuri Holdings, Inc., the deconsolidation of Centuri’s financial results, and the classification of Centuri-related activity as discontinued operations.
Current reports on Form 8‑K offer more immediate insight into significant events. Recent 8‑K filings have addressed the sale of Centuri shares through public offerings and a private placement, the resulting deconsolidation and disposition of Centuri, cooperation and registration rights agreements with the Icahn Group, changes in board composition, and executive leadership transitions, including the appointment of a new Chief Financial Officer. Other 8‑K filings describe the company’s conclusion that certain 2025 interim financial statements should no longer be relied upon due to errors in state income tax expense and deferred income tax liabilities, and its plan to restate those periods in the 2025 Form 10‑K.
Through this page, users can review Forms 10‑K and 10‑Q for comprehensive financial and operational detail, as well as Forms 8‑K that capture material corporate actions, capital markets transactions, governance developments, and financial reporting matters. Stock Titan’s tools apply AI-powered summaries to these filings to help explain key topics such as the company’s regulated utility focus, tax-related restatement, cooperation agreements, and the financing steps taken to support natural gas infrastructure investments.
Southwest Gas Holdings, Inc. president Justin L. Brown reported a sale of common stock. On 01/09/2026, he sold 3,028 shares of Southwest Gas Holdings common stock at $81.08 per share, in a transaction coded "S". The filing notes this sale was made pursuant to a Rule 10b5-1 trading plan adopted on 09/10/2025.
After this sale, Brown directly held 6,320.344 shares of common stock. He also had indirect beneficial ownership of additional shares, including 3,658.482 shares through a 401(k), 10,207.59 shares through a limited liability company in which he and his spouse are the sole members, 210.12 shares held by his spouse, and 14,586.122 shares held by a family trust for which he serves as trustee. Some of these indirect balances include shares acquired through exempt dividend reinvestment transactions.
Southwest Gas Holdings executive reports share disposition and updated holdings. On January 8, 2026, officer Gabe Randall P., SVP/Chief Administrative Officer of Southwest Gas Holdings, Inc., reported a Form 4 transaction involving 1,036.527 shares of common stock in a transaction coded "F" at a price of $80.15 per share. After this transaction, he beneficially owned 18,216.504 shares of common stock directly and 1,197.987 shares indirectly through a 401(k) plan. The direct balance includes 174.673 shares and the 401(k) balance includes 37.792 shares that were acquired through exempt dividend reinvestment transactions.
Southwest Gas Holdings senior vice president and chief financial officer Justin S. Forsberg reported a change in his ownership of company common stock. On January 8, 2026, he disposed of 407.881 shares of Southwest Gas common stock at a reported price of $80.15 per share under transaction code F. Following this transaction, he directly owned 2,297.906 common shares of Southwest Gas Holdings.
Southwest Gas Holdings executive Catherine M. Mazzeo reported an equity transaction involving company common stock. On January 8, 2026, a transaction coded "F" covered 737.424 shares of Southwest Gas Holdings common stock at $80.15 per share, leaving her with 10,496.228 shares held directly.
She also reported an additional 745.839 shares held indirectly through a 401(k) plan. The reported direct balance includes 348.695 shares and the 401(k) balance includes 23.484 shares that were acquired through exempt dividend reinvestment transactions.
Southwest Gas Holdings, Inc. executive Amy L. Timperley, SVP/Chief Regulatory & Public Affairs, reported a Form 4 transaction in Southwest Gas Holdings, Inc. common stock. On January 8, 2026, a transaction coded "F" involved 864.181 shares at $80.15 per share, leaving her with 9,153.522 directly held shares of common stock. She also reported 8,975.446 shares held indirectly through a 401(k). Footnotes state that these balances include shares acquired through exempt dividend reinvestment transactions.
Southwest Gas Holdings, Inc. executive Julie M. Williams reported a tax-related share withholding in company stock. On January 8, 2026, 1,271.426 shares of Southwest Gas Holdings common stock were withheld at a price of
After this transaction, Williams directly held 20,603.966 shares of common stock and indirectly held 2,485.076 shares through a 401(k) plan. The filing notes that these balances include shares previously acquired through exempt dividend reinvestment transactions.
Southwest Gas Holdings officer Fabio A. Pineda reported a disposition of company stock. On 01/08/2026, he disposed of 249.889 shares of common stock at $80.15 per share, according to a Form 4 filing. After this transaction, he beneficially owned 1,203.538 shares directly. The reported balance includes 10.915 shares that were previously acquired through exempt dividend reinvestment transactions.
Southwest Gas Holdings, Inc. President and CEO Karen S. Haller reported a change in her ownership of the company’s common stock. On January 8, 2026, she disposed of 7,630.576 shares of common stock at $80.15 per share, after which she directly owned 148,843.19 shares.
The filing also reports indirect ownership of 996 shares held by her spouse and 2,498.714 shares held through a 401(k) account. Footnotes state that the reported balances include shares acquired through exempt dividend reinvestment transactions.
Southwest Gas Holdings, Inc. reported an insider stock transaction by President of Southwest Gas Corp., Justin L. Brown. On 01/08/2026, Brown had 2,572.614 shares of common stock disposed of in a transaction coded "F" at $80.15 per share, typically indicating shares withheld in connection with equity compensation. Following this transaction, he beneficially owned 34,122.835 shares directly and 3,658.482 shares indirectly through a 401(k) plan. The balances include shares acquired through exempt dividend reinvestment transactions.
Southwest Gas Holdings is restating certain 2025 quarterly results after finding errors in how it estimated deferred state income tax liabilities following Centuri stock sales and tax deconsolidation. The Audit Committee determined that the unaudited condensed consolidated financial statements for the quarters and year-to-date periods ended June 30 and September 30, 2025 should no longer be relied upon.
The errors understated income tax expense and net deferred income tax liabilities by about $27 million for the June 30, 2025 periods and an additional $8 million for the September 30, 2025 periods, reducing GAAP net income and increasing reported losses. Revenue, operating margin and cash flows for these periods are unchanged, and the company reaffirms its 2025 net income guidance and 2025–2029 CAGR targets.
Restated interim figures will be included in the 2025 Form 10‑K and future filings, and prior earnings releases and presentations covering these periods should not be relied upon. Southwest Gas expects to report ineffective disclosure controls and procedures and a material weakness in internal control over financial reporting for the affected 2025 interim periods and the year ended December 31, 2025.
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